On Wed, 4 Nov 2020 23:09:14 GMT, Andrii Rodionov <github.com+1538227+arodio...@openjdk.org> wrote:
>>> Actually, we have found this issue during JCK tests execution that was >>> built as a native image. The fix criteria are the successful tests run. >> >> But what exact steps should be done to reproduce this bug w/o using jck or >> any external tools? Something like: >> - Clone JDK >> - Build JDK using some specific options. >> - Create some small test case >> - Somehow create the native image >> - Run the app -> boom -> bug is reproduced > > @mrserb With the last dev build of GraalVM based on JDK 11.09, the bug can be > reproduced by the approach that I've mentioned above. > The general steps: > - download the [last dev > build](https://github.com/graalvm/graalvm-ce-dev-builds/releases) of GraalVM > + Native image > - build the native image for AWTFixExample class (ziped configs for > reflection and JNI is attached): > `$ ~/graalvm-ce-java11-21.0.0-dev/bin/native-image > -H:ConfigurationFileDirectories=./configs -Djava.awt.headless=true > --native-image-info AWTFixExample` > - run built image - it should be executed successfully > - clone any version of the OpenJDK (11.09 - 16) > - build static libraries by executing `make static-libs-image` target > - replace `libawt.a` in GraalVM on built static library from OpenJDK > - try to build example again and run it - it should be failed > - clone OpenJDK with the proposed fix > - build static libraries > - replace `libawt.a` in GraalVM on built static library with the fix > - build example and run it - it should be executed successfully > > public class AWTFixExample { > public static void main(String[] args) { > float[] data = new float[]{0.0f, 1.1f, 2.2f, 3.3f, 4.4f, 5.5f, 6.6f, > 7.7f, 8.8f}; > Kernel kernel = new Kernel(3, 3, data); > ConvolveOp op = new ConvolveOp(kernel); > > BufferedImage src = new BufferedImage(10, 10, > BufferedImage.TYPE_INT_ARGB); > BufferedImage dest = new BufferedImage(10, 10, > BufferedImage.TYPE_INT_ARGB); > > BufferedImage image = op.filter(src, dest); > System.out.println(image); > } > } > > [configs.zip](https://github.com/openjdk/jdk/files/5490906/configs.zip) I think part of the changed code is actually dead code and can be removed, I'll take a look. ------------- PR: https://git.openjdk.java.net/jdk/pull/562
